About Alberto
I’m a Senior Software Engineer specializing in fullstack development with TypeScript, helping businesses build fast, scalable, and reliable web applications.
I work closely with clients to turn ideas into production-ready products, whether that means building applications from scratch, improving existing systems, or scaling platforms as they grow. I focus on delivering clean, maintainable code and practical solutions that align with real business goals.
My experience includes developing end-to-end web platforms, designing APIs, integrating third-party services, and optimizing performance across both frontend and backend.
What sets me apart is my ability to quickly understand project needs, communicate clearly, and deliver high-quality results without unnecessary complexity.
Spanish
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- dLocalSenior Software Engineer IIIDecember 2024 - Today (1 year and 7 months)Madrid, Spain
- Built a payment voucher platform at scale, serving thousands of users while reducing support load. (Next.js, TypeScript, DynamoDB)
- Delivered a no-code builder that eliminated 100% of developer dependency for voucher management.
- Led a micro-frontend migration, enabling clean ownership transfer and drastically reducing team onboarding time.
- Built a 3DS decision engine, cutting time-to-market and accelerating delivery by ~30% using AI-assisted development.
- Shipped a reconciliations module ~40% faster using agentic AI workflows, fully deployed in production.
- Drove adoption of Spec-Driven Development across projects, improving architecture, debugging, and documentation speed.
- NuggetsSenior Software EngineerFebruary 2021 - November 2024 (3 years and 9 months)Londres, United Kingdom
- Led the design and delivery of a developer platform aggregating APIs across 10+ services, significantly improving discoverability and engineering productivity.
- Drove Web3 initiatives by building Ethereum smart contracts and delivering a PoC bridging crypto wallets with Verifiable Credentials, connecting decentralized identity with SSI standards.
- Architected distributed systems with async messaging (RabbitMQ + Node.js), enabling resilient, decoupled services at scale.
- Reduced technical debt and improved scalability by leading migrations to Next.js and TypeScript across key applications.
- Standardized authentication and onboarding flows by building OIDC/OAuth solutions, including a custom OAuth provider and reference implementations adopted across teams and clients.
- Accelerated delivery and product quality by implementing CI/CD pipelines with automated integration testing, cutting QA effort by ~30%.
- Improved platform adoption and onboarding speed by building self-service tools (Partner Portal) that reduced reliance on support teams.
- Established shared UI foundations with a component library, driving consistency and reuse across multiple projects.
- GamelearnSenior Software DeveloperMay 2018 - October 2020 (2 years and 5 months)Madrid, Spain
- Built a Learning Management Platform with Angular and Material Design, improving usability and content delivery.
- Developed REST APIs with Node.js (KrakenJS) using a Docker-based microservices architecture, enhancing scalability and maintainability. Used MongoDB and AWS for cloud infrastructure, and implemented CI/CD with Travis CI and SonarQube to improve code quality.
- Designed an AWS-based video transcoding pipeline (HLS), enabling adaptive streaming and better performance across devices.
- Created an automated i18n system with POEditor and GitHub, streamlining localization workflows and reducing manual effort.
- Developed a management platform with Vue.js, Vuex, and Vuetify, ensuring a responsive UI and reliable codebase with Jest testing.
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Education
- Iniciación al desarrollo con IAThe BIG School2026
- Creative Programming for Digital Media & Mobile AppsCreative Programming for Digital Media & Mobile Apps